Interview with Dr. Ian S. Zagon, Distinguished University Professor, Department of Neural and Behavioral Sciences, The Pennsylvania State University Schoold of Medicine
Topic: The Discovery of Low Dose Naltrexone
What first led you into your work on Low Dose Naltrexone (LDN)?
Around 1975, I was interested in the effects of exogenous opioids (opiates from external sources, such as heroin, methadone or morphine) on children who were born to mothers that were addicted. The scientific literature revealed that these babies and children had neurological difficulties and were lower in body weight. We (myself and Dr. Patricia McLaughlin) developed a model to look at this in animals. At the same time, I was also conducting another research project into neuroblastoma, a childhood tumor. When I found that these exogenous opioids altered the growth of developing animals, I decided to see if they could also depress the growth of cancer. And, lo and behold, experiments conducted around 1977-1978 in tissue culture revealed that they did! We then investigated whether exogenous opioids would repress growth of the real cancers in mice. And, once again, they did!


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